- Worked on E-Commerce, CRM, Social networking and Healthcare domains. Following are some of the Testing Services offered to its Esteem clients: Following are the sub categories of services that are offered along with the above mentioned services: • Test Management and Defect Management • Requirement Analysis & Management • Test Planning • Testing Strategies Development and Implementation • Effort Estimation • Requirement Analysis • Business Analysis • Requirement Gap identification • Smoke and Sanity Testing • Functional Testing • Non Functional Testing • Regression Testing • Retesting • Browser Compatibility Testing • Pla